APA (7th ed.) Citation

Welsh, D. (1998). Codes and Cryptography. Clarendon Press.

Chicago Style (17th ed.) Citation

Welsh, Dominic. Codes and Cryptography. Oxford: Clarendon Press, 1998.

MLA (8th ed.) Citation

Welsh, Dominic. Codes and Cryptography. Clarendon Press, 1998.

Warning: These citations may not always be 100% accurate.